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-rw-r--r--include/asm-m68knommu/coldfire.h76
1 files changed, 17 insertions, 59 deletions
diff --git a/include/asm-m68knommu/coldfire.h b/include/asm-m68knommu/coldfire.h
index 2fabca91df83..83a9fa4e618a 100644
--- a/include/asm-m68knommu/coldfire.h
+++ b/include/asm-m68knommu/coldfire.h
@@ -3,7 +3,7 @@
3/* 3/*
4 * coldfire.h -- Motorola ColdFire CPU sepecific defines 4 * coldfire.h -- Motorola ColdFire CPU sepecific defines
5 * 5 *
6 * (C) Copyright 1999-2002, Greg Ungerer (gerg@snapgear.com) 6 * (C) Copyright 1999-2006, Greg Ungerer (gerg@snapgear.com)
7 * (C) Copyright 2000, Lineo (www.lineo.com) 7 * (C) Copyright 2000, Lineo (www.lineo.com)
8 */ 8 */
9 9
@@ -14,6 +14,19 @@
14 14
15 15
16/* 16/*
17 * Define master clock frequency. This is essentially done at config
18 * time now. No point enumerating dozens of possible clock options
19 * here. Also the peripheral clock (bus clock) divide ratio is set
20 * at config time too.
21 */
22#ifdef CONFIG_CLOCK_SET
23#define MCF_CLK CONFIG_CLOCK_FREQ
24#define MCF_BUSCLK (CONFIG_CLOCK_FREQ / CONFIG_CLOCK_DIV)
25#else
26#error "Don't know what your ColdFire CPU clock frequency is??"
27#endif
28
29/*
17 * Define the processor support peripherals base address. 30 * Define the processor support peripherals base address.
18 * This is generally setup by the boards start up code. 31 * This is generally setup by the boards start up code.
19 */ 32 */
@@ -29,64 +42,9 @@
29 defined(CONFIG_M520x) 42 defined(CONFIG_M520x)
30#undef MCF_MBAR 43#undef MCF_MBAR
31#define MCF_MBAR MCF_IPSBAR 44#define MCF_MBAR MCF_IPSBAR
32#endif 45#elif defined(CONFIG_M532x)
33 46#undef MCF_MBAR
34/* 47#define MCF_MBAR 0x00000000
35 * Define master clock frequency.
36 */
37#if defined(CONFIG_CLOCK_11MHz)
38#define MCF_CLK 11289600
39#elif defined(CONFIG_CLOCK_16MHz)
40#define MCF_CLK 16000000
41#elif defined(CONFIG_CLOCK_20MHz)
42#define MCF_CLK 20000000
43#elif defined(CONFIG_CLOCK_24MHz)
44#define MCF_CLK 24000000
45#elif defined(CONFIG_CLOCK_25MHz)
46#define MCF_CLK 25000000
47#elif defined(CONFIG_CLOCK_33MHz)
48#define MCF_CLK 33000000
49#elif defined(CONFIG_CLOCK_40MHz)
50#define MCF_CLK 40000000
51#elif defined(CONFIG_CLOCK_45MHz)
52#define MCF_CLK 45000000
53#elif defined(CONFIG_CLOCK_48MHz)
54#define MCF_CLK 48000000
55#elif defined(CONFIG_CLOCK_50MHz)
56#define MCF_CLK 50000000
57#elif defined(CONFIG_CLOCK_54MHz)
58#define MCF_CLK 54000000
59#elif defined(CONFIG_CLOCK_60MHz)
60#define MCF_CLK 60000000
61#elif defined(CONFIG_CLOCK_62_5MHz)
62#define MCF_CLK 62500000
63#elif defined(CONFIG_CLOCK_64MHz)
64#define MCF_CLK 64000000
65#elif defined(CONFIG_CLOCK_66MHz)
66#define MCF_CLK 66000000
67#elif defined(CONFIG_CLOCK_70MHz)
68#define MCF_CLK 70000000
69#elif defined(CONFIG_CLOCK_100MHz)
70#define MCF_CLK 100000000
71#elif defined(CONFIG_CLOCK_140MHz)
72#define MCF_CLK 140000000
73#elif defined(CONFIG_CLOCK_150MHz)
74#define MCF_CLK 150000000
75#elif defined(CONFIG_CLOCK_166MHz)
76#define MCF_CLK 166000000
77#else
78#error "Don't know what your ColdFire CPU clock frequency is??"
79#endif
80
81/*
82 * One some ColdFire family members the bus clock (used by internal
83 * peripherals) is not the same as the CPU clock.
84 */
85#if defined(CONFIG_M523x) || defined(CONFIG_M5249) || defined(CONFIG_M527x) || \
86 defined(CONFIG_M520x)
87#define MCF_BUSCLK (MCF_CLK / 2)
88#else
89#define MCF_BUSCLK MCF_CLK
90#endif 48#endif
91 49
92/****************************************************************************/ 50/****************************************************************************/